Integrated Closure Packaging for Controlled Reactive Mixing
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Solution Overview
Problem
Existing packaging systems for chemically reactive or health-endangering substances are inadequate for reliable storage and handling, as they often allow undesired mixing or leakage, especially when dealing with incompatible chemical substances.
Innovation Solution
A packaging system comprising a first container with a multi-functional closure device that seals off the environment, a second container for mixing, and a coupling apparatus that forms a fluid connection only upon full coupling, ensuring non-detachable and user-friendly handling of reactive substances.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional packaging system with separate containers is used, then storage of chemically reactive substances is enabled, but reliable prevention of unintended mixing and leakage is not achieved
Solution Approach 1:
The closure element and coupling apparatus are merged into a single integrated closure device. The closure element forms an integral, non-detachable part of the coupling apparatus, ensuring that the sealing function and coupling function cannot be separated. This integration prevents unintended mixing by requiring both coupling and sealing to occur simultaneously through a single operational sequence.
Solution Approach 2:
The closure element is pre-positioned to seal the opening in the first container before any coupling operation begins. The sealing action is performed preliminarily and automatically as part of the coupling sequence, ensuring that the chemically reactive substance is sealed prior to any potential exposure or unintended mixing.
2Reliability
If a conventional packaging system is used, then handling of substances is simplified, but secure storage and prevention of leakage are compromised
Solution Approach 1:
The sealing function and coupling function are merged into a single operational sequence. When the user couples the second container to the closure device, the closure element automatically seals the opening in the first container. This simultaneous execution of sealing and coupling maintains reliability while preserving ease of operation through a single intuitive action.
Solution Approach 2:
The closure element performs the sealing action automatically as part of the coupling mechanism's operation. The system self-seals when the coupling apparatus is engaged with the second container, eliminating the need for separate manual sealing operations and maintaining ease of operation.
3Reliability
If separate closure element and coupling apparatus are used, then manufacturing flexibility is improved, but reliable sealing during transfer is compromised
Solution Approach 1:
The closure element and coupling apparatus are manufactured as a single integrated unit through injection molding. This merging enables reliable sealing during transfer operations while maintaining ease of manufacture through a single-step production process, eliminating the need for separate assembly of multiple components.
4Ease of operation
If the cap can be manually removed, then access to container contents is enabled, but unintended dispensing of reactive substances occurs
Solution Approach 1:
The cap is integrated as a non-detachable part of the coupling apparatus through a predetermined break point connection. The cap can only be separated from the first container when the coupling apparatus is properly engaged with the second container. This integration ensures that container access is only possible as part of the controlled transfer sequence, preventing unintended dispensing of reactive substances.
Solution Approach 2:
The coupling apparatus must be preliminarily engaged with the second container before the cap can be removed from the first container. This preliminary coupling action establishes the proper sequence of operations, ensuring that access to container contents is only enabled after the transfer system is properly configured.
Data Source
AI summary
A packaging system for at least one product preparation component, having a first container for storing a first product preparation component, a second container for storing at least one further product preparation component, and a closure device which seals off an opening in the first container from the environment by way of a closure element having a coupling apparatus to couple the second container to the closure device and establishes a fluid connection between the first container and the second container. The invention additionally relates to a method for handling at least one product preparation component. The aim of the invention is to ensure a reliable packaging system which allows a user-friendly handling of the contained product preparation components. The closure element and the coupling apparatus are joined together as separate components in a non-detachable manner forming the closure device.